Water park owner Great Wolf Resorts Inc. said Sunday that a private investment firm has sweetened its offer to acquire the company.

Great Wolf, which operates 11 indoor water parks in the U.S. and Canada, said KSL Capital Partners is offering $7 per share in cash. That's 75 cents per share higher than KSL's earlier unsolicited offer that Great Wolf rejected.

Advertisement

Based on Great Wolf's 32.91 million outstanding shares, KSL's bid is now worth about $230.4 million.

The offer also tops a bid by Apollo Global Management of $6.75 per share, or $222.1 million.

Great Wolf's board has already has accepted Apollo Global's offer, but said Sunday that it would "consider and evaluate" KSL's latest offer.

Madison, Wis.-based Great Wolf shares added 88 cents, or 15.4 percent, to finish at $6.58 on Thursday. The stock market was closed on Friday.